Diagrams; Block Diagram - Cd Servo Section - Sony HCD-MG110 Service Manual

7-1. BLOCK DIAGRAM – CD SERVO Section –
DETECTOR
CD +5V
A
A
6
RF
B SUMMING
B
AMP
7
C
C
8
D
ERROR AMP
D
9
F
F
11 F I-V AMP
E
TRACKING
E
10 E I-V AMP
ERROR AMP
OPTICAL PICK-UP
BLOCK
(KSM-213BFN)
LASER DIODE
AUTOMATIC
LD
POWER APC LD
1
CONTROL AMP
Q101
LD
PD
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
CH4OUTF
15
CH4SIN
M101 MOTOR
M
CH4OUTR
(SPINDLE) DRIVE
16
CH3OUTF CH3FIN
17
M102 MOTOR
M
CH3RIN
CH3OUTR
(SLED) DRIVE
18
2-AXIS
DEVICE
CH2OUTR CH2RIN
11
COIL
CH2FIN
CH2OUTF
DRIVE
12
CH1RIN
CH1OUTR
13
COIL
CH1OUTF CH1FIN
DRIVE
14
MUTE
SECTION 7

DIAGRAMS

RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
AC EQ
SUM IN
RFAC RFAC
4 3 EQ 15 51
VCA
49
FE 48
FOCUS
16
FEI PWM1
17
RFDCO
RF DC
28
AMP
RFDCI PWM3
29
TE
18
SW
12
PD
2
PWM2
25
39 43
40 41
DIGITAL SERVO
PROCESSOR
24
IC101 (2/2)
A/D
23 CONVERTER
SFDR
28
SRDR
29
TFDR
6 30 MIRR/DFCT/
FOK
TRDR
5 31
DETECTOR
FFDR
32
FRDR
33
3
TO SERVO INTERFACE
2
20
FILTER
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
54 56 53 55
16K
RAM
INTERFACE
RFAC
ASYMMETRY DIGITAL EFM
CORRECTION PLL DEMODULATOR
ASYI
ASYO
ERROR
CORRECTOR
DIGITAL SUBCODE SERVO AUTO SERVO
CLV PROCESSOR SEQUENCER INTERFACE
CPU INTERFACE
26 3 14 5 7 6 8 20 1 2 9 21 27 64 15
LEVEL
SHIFT
ON : When the optical pick-up
IC803
is inner position
84 19 32 33
85
C-DATA
87 C-CLK T-SENS1 93
86 C-LATCH T-SENS2 18
T-SENS3 91
88 LD ON
PWM1
22
PWM1
PWM2
24 PWM2
LOAD IN SW 6
PWM3
26 PWM3
LOAD IN
LOAD OUT
LOAD OUT SW 7
SYSTEM CONTROLLER
IC801 (1/5)
D-SENS 92
FOK
24 LOAD NEG 3
MIRR
22 LOAD POS 2
DFCT
23
TABLE POS 5
TABLE NEG 100
83 C-XRST
21 21
PCMD
62
BCK
D/A
63
LRCK
61
C2PO
19
AOUT1
70
SERIAL DIGITAL PWM
IN FILTER, &
AOUT2
INTERFACE NOISE SHAPER INTEGRATOR
77
TO MIRR/DFCT/
FOK DETECTOR
CLOCK
DIGITAL
OUT GENERATOR
18 60
S101
(LIMIT)
OPTICAL
OPTICAL
TRANSCEIVER
OUT (CD)
IC361
TABLE
SENSOR
IC11 – 13
S842
(LOAD)
DISC IN
DETECT SENSOR
LOADING/TABLE
D841, Q841
MOTOR DRIVE
IC881
FN1 OUT1 +
LOADING
2 MOTOR 8
M51
M
MOTOR CONTROL
RN1 OUT1 –
DRIVE
3 9 (LOADING)
Q881 – 884
TABLE FIN2 OUT2 +
17 11
MOTOR M52
M
MOTOR CONTROL
RIN2 OUT2 –
16 DRIVE 10 (TABLE)
Q885 – 888
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL OUT)
HCD-MG110/MG310AV
CD
L-CH
AIN1 LOUT1
A
71 72 (Page 23)
BUFFER
AIN2 LOUT2
76 75 R-CH
XTAI
66
TIMING
XTAO
X101
LOGIC
67
16.9344MHz